Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: v1.7.1-rc0
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 858 lines (738 sloc) 19.848 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857
#include "cache.h"
#include "remote.h"
#include "strbuf.h"
#include "walker.h"
#include "http.h"
#include "exec_cmd.h"
#include "run-command.h"
#include "pkt-line.h"
#include "sideband.h"

static struct remote *remote;
static const char *url;

struct options {
int verbosity;
unsigned long depth;
unsigned progress : 1,
followtags : 1,
dry_run : 1,
thin : 1;
};
static struct options options;

static int set_option(const char *name, const char *value)
{
if (!strcmp(name, "verbosity")) {
char *end;
int v = strtol(value, &end, 10);
if (value == end || *end)
return -1;
options.verbosity = v;
return 0;
}
else if (!strcmp(name, "progress")) {
if (!strcmp(value, "true"))
options.progress = 1;
else if (!strcmp(value, "false"))
options.progress = 0;
else
return -1;
return 0;
}
else if (!strcmp(name, "depth")) {
char *end;
unsigned long v = strtoul(value, &end, 10);
if (value == end || *end)
return -1;
options.depth = v;
return 0;
}
else if (!strcmp(name, "followtags")) {
if (!strcmp(value, "true"))
options.followtags = 1;
else if (!strcmp(value, "false"))
options.followtags = 0;
else
return -1;
return 0;
}
else if (!strcmp(name, "dry-run")) {
if (!strcmp(value, "true"))
options.dry_run = 1;
else if (!strcmp(value, "false"))
options.dry_run = 0;
else
return -1;
return 0;
}
else {
return 1 /* unsupported */;
}
}

struct discovery {
const char *service;
char *buf_alloc;
char *buf;
size_t len;
unsigned proto_git : 1;
};
static struct discovery *last_discovery;

static void free_discovery(struct discovery *d)
{
if (d) {
if (d == last_discovery)
last_discovery = NULL;
free(d->buf_alloc);
free(d);
}
}

static struct discovery* discover_refs(const char *service)
{
struct strbuf buffer = STRBUF_INIT;
struct discovery *last = last_discovery;
char *refs_url;
int http_ret, is_http = 0, proto_git_candidate = 1;

if (last && !strcmp(service, last->service))
return last;
free_discovery(last);

strbuf_addf(&buffer, "%s/info/refs", url);
if (!prefixcmp(url, "http://") || !prefixcmp(url, "https://")) {
is_http = 1;
if (!strchr(url, '?'))
strbuf_addch(&buffer, '?');
else
strbuf_addch(&buffer, '&');
strbuf_addf(&buffer, "service=%s", service);
}
refs_url = strbuf_detach(&buffer, NULL);

http_ret = http_get_strbuf(refs_url, &buffer, HTTP_NO_CACHE);

/* try again with "plain" url (no ? or & appended) */
if (http_ret != HTTP_OK) {
free(refs_url);
strbuf_reset(&buffer);

proto_git_candidate = 0;
strbuf_addf(&buffer, "%s/info/refs", url);
refs_url = strbuf_detach(&buffer, NULL);

http_ret = http_get_strbuf(refs_url, &buffer, HTTP_NO_CACHE);
}

switch (http_ret) {
case HTTP_OK:
break;
case HTTP_MISSING_TARGET:
die("%s not found: did you run git update-server-info on the"
" server?", refs_url);
default:
http_error(refs_url, http_ret);
die("HTTP request failed");
}

last= xcalloc(1, sizeof(*last_discovery));
last->service = service;
last->buf_alloc = strbuf_detach(&buffer, &last->len);
last->buf = last->buf_alloc;

if (is_http && proto_git_candidate
&& 5 <= last->len && last->buf[4] == '#') {
/* smart HTTP response; validate that the service
* pkt-line matches our request.
*/
struct strbuf exp = STRBUF_INIT;

if (packet_get_line(&buffer, &last->buf, &last->len) <= 0)
die("%s has invalid packet header", refs_url);
if (buffer.len && buffer.buf[buffer.len - 1] == '\n')
strbuf_setlen(&buffer, buffer.len - 1);

strbuf_addf(&exp, "# service=%s", service);
if (strbuf_cmp(&exp, &buffer))
die("invalid server response; got '%s'", buffer.buf);
strbuf_release(&exp);

/* The header can include additional metadata lines, up
* until a packet flush marker. Ignore these now, but
* in the future we might start to scan them.
*/
strbuf_reset(&buffer);
while (packet_get_line(&buffer, &last->buf, &last->len) > 0)
strbuf_reset(&buffer);

last->proto_git = 1;
}

free(refs_url);
strbuf_release(&buffer);
last_discovery = last;
return last;
}

static int write_discovery(int in, int out, void *data)
{
struct discovery *heads = data;
int err = 0;
if (write_in_full(out, heads->buf, heads->len) != heads->len)
err = 1;
close(out);
return err;
}

static struct ref *parse_git_refs(struct discovery *heads)
{
struct ref *list = NULL;
struct async async;

memset(&async, 0, sizeof(async));
async.proc = write_discovery;
async.data = heads;
async.out = -1;

if (start_async(&async))
die("cannot start thread to parse advertised refs");
get_remote_heads(async.out, &list, 0, NULL, 0, NULL);
close(async.out);
if (finish_async(&async))
die("ref parsing thread failed");
return list;
}

static struct ref *parse_info_refs(struct discovery *heads)
{
char *data, *start, *mid;
char *ref_name;
int i = 0;

struct ref *refs = NULL;
struct ref *ref = NULL;
struct ref *last_ref = NULL;

data = heads->buf;
start = NULL;
mid = data;
while (i < heads->len) {
if (!start) {
start = &data[i];
}
if (data[i] == '\t')
mid = &data[i];
if (data[i] == '\n') {
data[i] = 0;
ref_name = mid + 1;
ref = xmalloc(sizeof(struct ref) +
strlen(ref_name) + 1);
memset(ref, 0, sizeof(struct ref));
strcpy(ref->name, ref_name);
get_sha1_hex(start, ref->old_sha1);
if (!refs)
refs = ref;
if (last_ref)
last_ref->next = ref;
last_ref = ref;
start = NULL;
}
i++;
}

ref = alloc_ref("HEAD");
if (!http_fetch_ref(url, ref) &&
!resolve_remote_symref(ref, refs)) {
ref->next = refs;
refs = ref;
} else {
free(ref);
}

return refs;
}

static struct ref *get_refs(int for_push)
{
struct discovery *heads;

if (for_push)
heads = discover_refs("git-receive-pack");
else
heads = discover_refs("git-upload-pack");

if (heads->proto_git)
return parse_git_refs(heads);
return parse_info_refs(heads);
}

static void output_refs(struct ref *refs)
{
struct ref *posn;
for (posn = refs; posn; posn = posn->next) {
if (posn->symref)
printf("@%s %s\n", posn->symref, posn->name);
else
printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name);
}
printf("\n");
fflush(stdout);
free_refs(refs);
}

struct rpc_state {
const char *service_name;
const char **argv;
char *service_url;
char *hdr_content_type;
char *hdr_accept;
char *buf;
size_t alloc;
size_t len;
size_t pos;
int in;
int out;
struct strbuf result;
unsigned gzip_request : 1;
unsigned initial_buffer : 1;
};

static size_t rpc_out(void *ptr, size_t eltsize,
size_t nmemb, void *buffer_)
{
size_t max = eltsize * nmemb;
struct rpc_state *rpc = buffer_;
size_t avail = rpc->len - rpc->pos;

if (!avail) {
rpc->initial_buffer = 0;
avail = packet_read_line(rpc->out, rpc->buf, rpc->alloc);
if (!avail)
return 0;
rpc->pos = 0;
rpc->len = avail;
}

if (max < avail)
avail = max;
memcpy(ptr, rpc->buf + rpc->pos, avail);
rpc->pos += avail;
return avail;
}

#ifndef NO_CURL_IOCTL
static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp)
{
struct rpc_state *rpc = clientp;

switch (cmd) {
case CURLIOCMD_NOP:
return CURLIOE_OK;

case CURLIOCMD_RESTARTREAD:
if (rpc->initial_buffer) {
rpc->pos = 0;
return CURLIOE_OK;
}
fprintf(stderr, "Unable to rewind rpc post data - try increasing http.postBuffer\n");
return CURLIOE_FAILRESTART;

default:
return CURLIOE_UNKNOWNCMD;
}
}
#endif

static size_t rpc_in(const void *ptr, size_t eltsize,
size_t nmemb, void *buffer_)
{
size_t size = eltsize * nmemb;
struct rpc_state *rpc = buffer_;
write_or_die(rpc->in, ptr, size);
return size;
}

static int post_rpc(struct rpc_state *rpc)
{
struct active_request_slot *slot;
struct slot_results results;
struct curl_slist *headers = NULL;
int use_gzip = rpc->gzip_request;
char *gzip_body = NULL;
int err = 0, large_request = 0;

/* Try to load the entire request, if we can fit it into the
* allocated buffer space we can use HTTP/1.0 and avoid the
* chunked encoding mess.
*/
while (1) {
size_t left = rpc->alloc - rpc->len;
char *buf = rpc->buf + rpc->len;
int n;

if (left < LARGE_PACKET_MAX) {
large_request = 1;
use_gzip = 0;
break;
}

n = packet_read_line(rpc->out, buf, left);
if (!n)
break;
rpc->len += n;
}

slot = get_active_slot();
slot->results = &results;

curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url);
curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "");

headers = curl_slist_append(headers, rpc->hdr_content_type);
headers = curl_slist_append(headers, rpc->hdr_accept);

if (large_request) {
/* The request body is large and the size cannot be predicted.
* We must use chunked encoding to send it.
*/
headers = curl_slist_append(headers, "Expect: 100-continue");
headers = curl_slist_append(headers, "Transfer-Encoding: chunked");
rpc->initial_buffer = 1;
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out);
curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc);
#ifndef NO_CURL_IOCTL
curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, rpc_ioctl);
curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, rpc);
#endif
if (options.verbosity > 1) {
fprintf(stderr, "POST %s (chunked)\n", rpc->service_name);
fflush(stderr);
}

} else if (use_gzip && 1024 < rpc->len) {
/* The client backend isn't giving us compressed data so
* we can try to deflate it ourselves, this may save on.
* the transfer time.
*/
size_t size;
z_stream stream;
int ret;

memset(&stream, 0, sizeof(stream));
ret = deflateInit2(&stream, Z_BEST_COMPRESSION,
Z_DEFLATED, (15 + 16),
8, Z_DEFAULT_STRATEGY);
if (ret != Z_OK)
die("cannot deflate request; zlib init error %d", ret);
size = deflateBound(&stream, rpc->len);
gzip_body = xmalloc(size);

stream.next_in = (unsigned char *)rpc->buf;
stream.avail_in = rpc->len;
stream.next_out = (unsigned char *)gzip_body;
stream.avail_out = size;

ret = deflate(&stream, Z_FINISH);
if (ret != Z_STREAM_END)
die("cannot deflate request; zlib deflate error %d", ret);

ret = deflateEnd(&stream);
if (ret != Z_OK)
die("cannot deflate request; zlib end error %d", ret);

size = stream.total_out;

headers = curl_slist_append(headers, "Content-Encoding: gzip");
curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body);
curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, size);

if (options.verbosity > 1) {
fprintf(stderr, "POST %s (gzip %lu to %lu bytes)\n",
rpc->service_name,
(unsigned long)rpc->len, (unsigned long)size);
fflush(stderr);
}
} else {
/* We know the complete request size in advance, use the
* more normal Content-Length approach.
*/
curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, rpc->buf);
curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, rpc->len);
if (options.verbosity > 1) {
fprintf(stderr, "POST %s (%lu bytes)\n",
rpc->service_name, (unsigned long)rpc->len);
fflush(stderr);
}
}

curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);

slot->curl_result = curl_easy_perform(slot->curl);
finish_active_slot(slot);

if (results.curl_result != CURLE_OK) {
err |= error("RPC failed; result=%d, HTTP code = %ld",
results.curl_result, results.http_code);
}

curl_slist_free_all(headers);
free(gzip_body);
return err;
}

static int rpc_service(struct rpc_state *rpc, struct discovery *heads)
{
const char *svc = rpc->service_name;
struct strbuf buf = STRBUF_INIT;
struct child_process client;
int err = 0;

memset(&client, 0, sizeof(client));
client.in = -1;
client.out = -1;
client.git_cmd = 1;
client.argv = rpc->argv;
if (start_command(&client))
exit(1);
if (heads)
write_or_die(client.in, heads->buf, heads->len);

rpc->alloc = http_post_buffer;
rpc->buf = xmalloc(rpc->alloc);
rpc->in = client.in;
rpc->out = client.out;
strbuf_init(&rpc->result, 0);

strbuf_addf(&buf, "%s/%s", url, svc);
rpc->service_url = strbuf_detach(&buf, NULL);

strbuf_addf(&buf, "Content-Type: application/x-%s-request", svc);
rpc->hdr_content_type = strbuf_detach(&buf, NULL);

strbuf_addf(&buf, "Accept: application/x-%s-result", svc);
rpc->hdr_accept = strbuf_detach(&buf, NULL);

while (!err) {
int n = packet_read_line(rpc->out, rpc->buf, rpc->alloc);
if (!n)
break;
rpc->pos = 0;
rpc->len = n;
err |= post_rpc(rpc);
}
strbuf_read(&rpc->result, client.out, 0);

close(client.in);
close(client.out);
client.in = -1;
client.out = -1;

err |= finish_command(&client);
free(rpc->service_url);
free(rpc->hdr_content_type);
free(rpc->hdr_accept);
free(rpc->buf);
strbuf_release(&buf);
return err;
}

static int fetch_dumb(int nr_heads, struct ref **to_fetch)
{
struct walker *walker;
char **targets = xmalloc(nr_heads * sizeof(char*));
int ret, i;

if (options.depth)
die("dumb http transport does not support --depth");
for (i = 0; i < nr_heads; i++)
targets[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1));

walker = get_http_walker(url);
walker->get_all = 1;
walker->get_tree = 1;
walker->get_history = 1;
walker->get_verbosely = options.verbosity >= 3;
walker->get_recover = 0;
ret = walker_fetch(walker, nr_heads, targets, NULL, NULL);
walker_free(walker);

for (i = 0; i < nr_heads; i++)
free(targets[i]);
free(targets);

return ret ? error("Fetch failed.") : 0;
}

static int fetch_git(struct discovery *heads,
int nr_heads, struct ref **to_fetch)
{
struct rpc_state rpc;
char *depth_arg = NULL;
const char **argv;
int argc = 0, i, err;

argv = xmalloc((15 + nr_heads) * sizeof(char*));
argv[argc++] = "fetch-pack";
argv[argc++] = "--stateless-rpc";
argv[argc++] = "--lock-pack";
if (options.followtags)
argv[argc++] = "--include-tag";
if (options.thin)
argv[argc++] = "--thin";
if (options.verbosity >= 3) {
argv[argc++] = "-v";
argv[argc++] = "-v";
}
if (!options.progress)
argv[argc++] = "--no-progress";
if (options.depth) {
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "--depth=%lu", options.depth);
depth_arg = strbuf_detach(&buf, NULL);
argv[argc++] = depth_arg;
}
argv[argc++] = url;
for (i = 0; i < nr_heads; i++) {
struct ref *ref = to_fetch[i];
if (!ref->name || !*ref->name)
die("cannot fetch by sha1 over smart http");
argv[argc++] = ref->name;
}
argv[argc++] = NULL;

memset(&rpc, 0, sizeof(rpc));
rpc.service_name = "git-upload-pack",
rpc.argv = argv;
rpc.gzip_request = 1;

err = rpc_service(&rpc, heads);
if (rpc.result.len)
safe_write(1, rpc.result.buf, rpc.result.len);
strbuf_release(&rpc.result);
free(argv);
free(depth_arg);
return err;
}

static int fetch(int nr_heads, struct ref **to_fetch)
{
struct discovery *d = discover_refs("git-upload-pack");
if (d->proto_git)
return fetch_git(d, nr_heads, to_fetch);
else
return fetch_dumb(nr_heads, to_fetch);
}

static void parse_fetch(struct strbuf *buf)
{
struct ref **to_fetch = NULL;
struct ref *list_head = NULL;
struct ref **list = &list_head;
int alloc_heads = 0, nr_heads = 0;

do {
if (!prefixcmp(buf->buf, "fetch ")) {
char *p = buf->buf + strlen("fetch ");
char *name;
struct ref *ref;
unsigned char old_sha1[20];

if (strlen(p) < 40 || get_sha1_hex(p, old_sha1))
die("protocol error: expected sha/ref, got %s'", p);
if (p[40] == ' ')
name = p + 41;
else if (!p[40])
name = "";
else
die("protocol error: expected sha/ref, got %s'", p);

ref = alloc_ref(name);
hashcpy(ref->old_sha1, old_sha1);

*list = ref;
list = &ref->next;

ALLOC_GROW(to_fetch, nr_heads + 1, alloc_heads);
to_fetch[nr_heads++] = ref;
}
else
die("http transport does not support %s", buf->buf);

strbuf_reset(buf);
if (strbuf_getline(buf, stdin, '\n') == EOF)
return;
if (!*buf->buf)
break;
} while (1);

if (fetch(nr_heads, to_fetch))
exit(128); /* error already reported */
free_refs(list_head);
free(to_fetch);

printf("\n");
fflush(stdout);
strbuf_reset(buf);
}

static int push_dav(int nr_spec, char **specs)
{
const char **argv = xmalloc((10 + nr_spec) * sizeof(char*));
int argc = 0, i;

argv[argc++] = "http-push";
argv[argc++] = "--helper-status";
if (options.dry_run)
argv[argc++] = "--dry-run";
if (options.verbosity > 1)
argv[argc++] = "--verbose";
argv[argc++] = url;
for (i = 0; i < nr_spec; i++)
argv[argc++] = specs[i];
argv[argc++] = NULL;

if (run_command_v_opt(argv, RUN_GIT_CMD))
die("git-%s failed", argv[0]);
free(argv);
return 0;
}

static int push_git(struct discovery *heads, int nr_spec, char **specs)
{
struct rpc_state rpc;
const char **argv;
int argc = 0, i, err;

argv = xmalloc((10 + nr_spec) * sizeof(char*));
argv[argc++] = "send-pack";
argv[argc++] = "--stateless-rpc";
argv[argc++] = "--helper-status";
if (options.thin)
argv[argc++] = "--thin";
if (options.dry_run)
argv[argc++] = "--dry-run";
if (options.verbosity > 1)
argv[argc++] = "--verbose";
argv[argc++] = url;
for (i = 0; i < nr_spec; i++)
argv[argc++] = specs[i];
argv[argc++] = NULL;

memset(&rpc, 0, sizeof(rpc));
rpc.service_name = "git-receive-pack",
rpc.argv = argv;

err = rpc_service(&rpc, heads);
if (rpc.result.len)
safe_write(1, rpc.result.buf, rpc.result.len);
strbuf_release(&rpc.result);
free(argv);
return err;
}

static int push(int nr_spec, char **specs)
{
struct discovery *heads = discover_refs("git-receive-pack");
int ret;

if (heads->proto_git)
ret = push_git(heads, nr_spec, specs);
else
ret = push_dav(nr_spec, specs);
free_discovery(heads);
return ret;
}

static void parse_push(struct strbuf *buf)
{
char **specs = NULL;
int alloc_spec = 0, nr_spec = 0, i;

do {
if (!prefixcmp(buf->buf, "push ")) {
ALLOC_GROW(specs, nr_spec + 1, alloc_spec);
specs[nr_spec++] = xstrdup(buf->buf + 5);
}
else
die("http transport does not support %s", buf->buf);

strbuf_reset(buf);
if (strbuf_getline(buf, stdin, '\n') == EOF)
return;
if (!*buf->buf)
break;
} while (1);

if (push(nr_spec, specs))
exit(128); /* error already reported */
for (i = 0; i < nr_spec; i++)
free(specs[i]);
free(specs);

printf("\n");
fflush(stdout);
}

int main(int argc, const char **argv)
{
struct strbuf buf = STRBUF_INIT;
int nongit;

git_extract_argv0_path(argv[0]);
setup_git_directory_gently(&nongit);
if (argc < 2) {
fprintf(stderr, "Remote needed\n");
return 1;
}

options.verbosity = 1;
options.progress = !!isatty(2);
options.thin = 1;

remote = remote_get(argv[1]);

if (argc > 2) {
url = argv[2];
} else {
url = remote->url[0];
}

http_init(remote);

do {
if (strbuf_getline(&buf, stdin, '\n') == EOF)
break;
if (!prefixcmp(buf.buf, "fetch ")) {
if (nongit)
die("Fetch attempted without a local repo");
parse_fetch(&buf);

} else if (!strcmp(buf.buf, "list") || !prefixcmp(buf.buf, "list ")) {
int for_push = !!strstr(buf.buf + 4, "for-push");
output_refs(get_refs(for_push));

} else if (!prefixcmp(buf.buf, "push ")) {
parse_push(&buf);

} else if (!prefixcmp(buf.buf, "option ")) {
char *name = buf.buf + strlen("option ");
char *value = strchr(name, ' ');
int result;

if (value)
*value++ = '\0';
else
value = "true";

result = set_option(name, value);
if (!result)
printf("ok\n");
else if (result < 0)
printf("error invalid value\n");
else
printf("unsupported\n");
fflush(stdout);

} else if (!strcmp(buf.buf, "capabilities")) {
printf("fetch\n");
printf("option\n");
printf("push\n");
printf("\n");
fflush(stdout);
} else {
return 1;
}
strbuf_reset(&buf);
} while (1);

http_cleanup();

return 0;
}
Something went wrong with that request. Please try again.